HP Pavilion DV1000t Maintenance And Service Manual page 158

Removal and Replacement Procedures
4. Turn the top cover upside down with the front toward you.
5. Release the ZIF connector 1 to which the LED board cable is
connected and disconnect the cable 2 from the system board.
6. Remove the three silver Phillips PM2.5×5.0 screws 3 that
secure the system board to the top cover.
Disconnecting the LED Board Cable and Removing the System
Board Screws
5–64 Maintenance and Service Guide